Dr. O'Connor is telling his participants before he begins an experiment that their participation is completely voluntary and that they can stop participating in the experiment at any time. Dr. O'Connor is

Our ability to "read" letters in the nonfoveal field is likely to be due to our:

A) retinal sensitivity to letters in this field B) ability to saccade C) ability to focus on important letters D) understanding of the theme of a text E) sensitive peripheral vision

Social comparisons are particularly important when

a. we evaluate the actions or abilities of others. b. there are no objective standards for self-evaluation. c. we are making plans for the future. d. we need support for a course of action we have already decided to pursue.